Inventories, Net (Details) - USD ($)	Sep. 30, 2019	Mar. 31, 2019
Inventory Disclosure [Abstract]
Raw material	$ 341,759	$ 315,686
Finished goods	526,223	715,344
Provision for inventory	(21,701)	(23,112)
Inventories	$ 846,281	$ 1,007,918

Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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